1296007040

素因数分解:

$2^7\times 5^1\times {\mathrm{1039}}^1\times {\mathrm{1949}}^1$

素因数の和:3007

約数の個数: 64

約数和(自身を含む): 3102840000

約数和(自身を除く): 1806832960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 1039, 1949, 2078, 3898, 4156, 5195, 7796, 8312, 9745, 10390, 15592, 16624, 19490, 20780, 31184, 33248, 38980, 41560, 62368, 66496, 77960, 83120, 124736, 132992, 155920, 166240, 249472, 311840, 332480, 623680, 664960, 1247360, 2025011, 4050022, 8100044, 10125055, 16200088, 20250110, 32400176, 40500220, 64800352, 81000440, 129600704, 162000880, 259201408, 324001760, 648003520, 1296007040]

約数ペア:

[(1, 1296007040), (2, 648003520), (4, 324001760), (5, 259201408), (8, 162000880), (10, 129600704), (16, 81000440), (20, 64800352), (32, 40500220), (40, 32400176), (64, 20250110), (80, 16200088), (128, 10125055), (160, 8100044), (320, 4050022), (640, 2025011), (1039, 1247360), (1949, 664960), (2078, 623680), (3898, 332480), (4156, 311840), (5195, 249472), (7796, 166240), (8312, 155920), (9745, 132992), (10390, 124736), (15592, 83120), (16624, 77960), (19490, 66496), (20780, 62368), (31184, 41560), (33248, 38980)]